s3:smbd: Fix invalid memory free

s3:smbd: Fix invalid memory free

"Error: BAD_FREE (CWE-590):
samba-4.20.0rc2/source3/smbd/smb1_process.c:1485: array_free: ""smb1_srv_send"" frees array ""errbuf"".
 1483|   		char errbuf[smb_size];
 1484|   		error_packet(errbuf, 0, 0, status, __LINE__, __FILE__);
 1485|-> 		if (!smb1_srv_send(req->xconn,
 1486|   				   errbuf,
 1487|   				   true,"

Pair-Programmed-With: Ralph Boehme <slow@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>